Nissa, Resurgent Animist gives you all that power in the command zone
Infernos power has to become exactly 20 for the trigger to happen, so if an opponent foolishly stacks a bunch of firebreathing triggers and you have a pump spell in hand, you can wait until Inferno hits around 18-19 power, pump it to 20 or above, and make it miss the damage altogether
Place the rest of your Deck down - The rest of your 60 cards are placed in the upper right-hand corner, above your active card
Furthermore, it has a quick effect to target a monster on the field and a Rokket in the graveyard to negate the effects of the monster on the field and summon the Rokket from the graveyard
Theres the additional issue that four seems to be the critical mana juncture, so ramping from three to five isnt the best deal, but this also helps four/five color green decks play all the Planeswalkers alongside Centaur Nurturer